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GeForce GT 635M and Radeon HD 6450 - video card comparison


Passmark - benchmark score GeForce GT 635M vs Radeon HD 6450

GeForce GT 635M
578
Radeon HD 6450
203

GeForce GT 635M

Radeon HD 6450


Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)

GPU code name
N13E-GE2
Caicos

Market segment
Laptop
Desktop

Release date
December 2011
April 2011

Bus support
PCI Express 2.0
PCIe 2.0 x8

Interface
PCIe 2.0 x16
PCIe 2.0 x16

Supplementary power connectors
-
None

Boost clock speed
753 MHz
750 MHz

Core clock speed
Up to 675 MHz
-

CUDA cores
Up to 144
-

Floating-point performance
253.4 gflops
200.0 gflops

Manufacturing process technology
40 nm
40 nm

Number of transistors
1,170 million
370 million

Pipelines / CUDA cores
144
160

Power consumption (TDP)
35 Watt
30 Watt

Texture fill rate
Up to 16.2 billion/sec
5.000

Memory type
DDR3
GDDR5

Maximum RAM amount
2 GB
1 GB

Memory bus width
Up to 192bit
64 Bit

Memory clock speed
1800 MHz
800 MHz

Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)

Memory bandwidth
Up to 43.2 GB/s
25.6 GB/s

Shared memory
-
-

Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA

Eyefinity
-
1

Number of Eyefinity displays
-
4

HDMI
+
+

HDCP
+
-

Maximum VGA resolution
Up to 2048x1536
-

DisplayPort support
-
+

DirectX
12 API
DirectX® 11

CUDA
+
-

Mantle
-
-

OpenCL
1.1
1.2

OpenGL
4.5
4.4

Shader Model
5.1
5.0

Vulkan
N/A
-

3D Blu-Ray
+
-

AppAcceleration
-
-

CrossFire
-
1

Enduro
-
-

HD3D
-
-

Optimus
+
-

PowerTune
-
-

TrueAudio
-
-

ZeroCore
-
-